RUN vs. SPWR

Last updated Apr 1, 2026

Compare and contrast key facts about Sunrun Inc. (RUN) and SunPower Corporation (SPWR).

Performance

RUN vs. SPWR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sunrun Inc. (RUN) and SunPower Corporation (SPWR). The values are adjusted to include any dividend payments, if applicable.

RUN vs. SPWR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RUN Sunrun Inc.	-26.30%	98.92%	-52.88%	-18.28%	-29.97%	-29.34%
SPWR SunPower Corporation	-19.11%	-12.29%	11.53%	-84.11%	4.34%	-1.73%

Fundamentals

Market Cap RUN : $3.68B SPWR : $1.08B
EPS RUN : $1.69 SPWR : $0.04
PE Ratio RUN : 8.02 SPWR : 34.96
PEG Ratio RUN : 0.03 SPWR : 0.08
PS Ratio RUN : 1.22 SPWR : 1.91
Total Revenue (TTM) RUN : $2.96B SPWR : $308.94M
Gross Profit (TTM) RUN : -$292.10M SPWR : $142.21M
EBITDA (TTM) RUN : -$126.13M SPWR : $59.64M

Returns By Period

In the year-to-date period, RUN achieves a -26.30% return, which is significantly lower than SPWR's -19.11% return.

RUN

• 1D: 11.70%
• 1M: 2.34%
• YTD: -26.30%
• 6M: -21.57%
• 1Y: 131.40%
• 3Y*: -12.37%
• 5Y*: -25.51%
• 10Y*: 7.73%

SPWR

• 1D: 4.10%
• 1M: -2.31%
• YTD: -19.11%
• 6M: -27.84%
• 1Y: -18.06%
• 3Y*: -50.25%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

RUN vs. SPWR — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RUN

RUN Risk / Return Rank: 80
RUN Sharpe Ratio Rank: 78
RUN Sortino Ratio Rank: 78
RUN Omega Ratio Rank: 82
RUN Calmar Ratio Rank: 81
RUN Martin Ratio Rank: 81

SPWR

SPWR Risk / Return Rank: 33
SPWR Sharpe Ratio Rank: 32
SPWR Sortino Ratio Rank: 37
SPWR Omega Ratio Rank: 37
SPWR Calmar Ratio Rank: 29
SPWR Martin Ratio Rank: 28

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RUN vs. SPWR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sunrun Inc. (RUN) and SunPower Corporation (SPWR). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	RUN	SPWR	Difference
Sharpe ratio Return per unit of total volatility	1.12	-0.21	+1.34
Sortino ratio Return per unit of downside risk	1.94	0.29	+1.65
Omega ratio Gain probability vs. loss probability	1.29	1.03	+0.26
Calmar ratio Return relative to maximum drawdown	2.33	-0.40	+2.73
Martin ratio Return relative to average drawdown	6.07	-0.79	+6.87
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RUN vs. SPWR - Sharpe Ratio Comparison

The current RUN Sharpe Ratio is 1.12, which is higher than the SPWR Sharpe Ratio of -0.21. The chart below compares the historical Sharpe Ratios of RUN and SPWR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RUN	SPWR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.12	-0.21	+1.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.28	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.10	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.03	-0.33	+0.36

Correlation

The correlation between RUN and SPWR is 0.23, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

RUN vs. SPWR - Dividend Comparison

Neither RUN nor SPWR has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

RUN vs. SPWR - Drawdown Comparison

The maximum RUN drawdown since its inception was -94.13%, roughly equal to the maximum SPWR drawdown of -97.59%. Use the drawdown chart below to compare losses from any high point for RUN and SPWR.

Drawdown Indicators

	RUN	SPWR	Difference
Max Drawdown Largest peak-to-trough decline	-94.13%	-97.59%	+3.46%
Max Drawdown (1Y) Largest decline over 1 year	-55.02%	-44.08%	-10.94%
Max Drawdown (5Y) Largest decline over 5 years	-90.42%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-94.13%	—	—
Current Drawdown Current decline from peak	-85.95%	-88.02%	+2.07%
Average Drawdown Average peak-to-trough decline	-53.71%	-46.97%	-6.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.12%	22.08%	-0.96%

Volatility

RUN vs. SPWR - Volatility Comparison

Sunrun Inc. (RUN) has a higher volatility of 22.90% compared to SunPower Corporation (SPWR) at 17.00%. This indicates that RUN's price experiences larger fluctuations and is considered to be riskier than SPWR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RUN	SPWR	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.90%	17.00%	+5.90%
Volatility (6M) Calculated over the trailing 6-month period	68.64%	50.43%	+18.21%
Volatility (1Y) Calculated over the trailing 1-year period	117.59%	85.50%	+32.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	90.99%	102.62%	-11.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	78.21%	102.62%	-24.41%

Financials

RUN vs. SPWR - Profitability Comparison

The chart below illustrates the profitability comparison between Sunrun Inc. and SunPower Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

RUN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Sunrun Inc. reported a gross profit of -728.63M and revenue of 1.16B. Therefore, the gross margin over that period was -62.9%.

SPWR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, SunPower Corporation reported a gross profit of 32.04M and revenue of 70.01M. Therefore, the gross margin over that period was 45.8%.

RUN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Sunrun Inc. reported an operating income of 101.56M and revenue of 1.16B, resulting in an operating margin of 8.8%.

SPWR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, SunPower Corporation reported an operating income of -3.44M and revenue of 70.01M, resulting in an operating margin of -4.9%.

RUN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Sunrun Inc. reported a net income of 103.57M and revenue of 1.16B, resulting in a net margin of 8.9%.

SPWR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, SunPower Corporation reported a net income of -15.80M and revenue of 70.01M, resulting in a net margin of -22.6%.